Designed for water dispensers, this check valve prevents , ensuring that your water remains . Made from excellent plastic, it is built to last and withstand regular use. Its universal design allows for easy integration into various water setups, making it a versatile and practical choice for any home or office. Features -Color:White -Material:Plastic -Size:5.00X2.30X2.30cm/1.97X0.90X0.90in -Hole diameter: 12.5 mm. -Effective back-flow control: the -way check valve prevents water back-flow, ensuring clean water in your dispenser and promoting user health -Leakage prevention made easy: this accessory effectively solves water dispenser leakage problems, preventing water wastage and providing a worry-free experience -Broad applicability: suitable for a wide range of water dispenser brands and models, it is proper for use in homes, offices, schools, and retail environments, meeting various needs -Robust: made from excellent materials, it is resistant to damage and wear, ensuring performance and reliability -Simple installation process: the accessory is easy to install, requiring just a few steps, eliminating the need for professional help and saving time and money Package list: 2 x check valve